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An cathode ray tube (CRT) television is connected to a video camera. When a strong magnet is brought close to the television screen, the image becomes warpe.
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Several reasons but generally, a magnetic field from a magnet or magnetized object near the front of the CRT can introduce a permanent magnetic field in the phosphor coating on the back side of the screen that actually forms the picture you see. It's just like when you rub a magnet on the tip of a screwdriver and make the screwdriver tip.
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CRT Torture: TV vs fun magnets, big magnet, and TOTALLY UNSAFE magnets. For you kids who aren't familiar with non-LCD display devices - a cathode ray tube works by shooting electrons at a very fine iron-alloy mesh, which then strike the screen and illuminate it. The beam of electrons is magnetically steered with a set of magnets to paint the.
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The exhibition Electronic Art at the Galeria Bonino and an exhibition at the New School For Social Research, New York, that featured both the Demagnetizer Life Ring (1965) and Magnet TV (1965), a 17-inch black-and-white television set with magnet, 72.1 x 48.9 x 62.2 cm overall, Whitney Museum of American Art, New York, acc. no. 86.60a-b, in a.
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Of course, while degaussing was most prominently used in television sets, it is not the only place where the term came up. During World War II, Germany started attacking warships at sea using large magnetic mines, which could detect the magnetic signatures of large warships and go off at that moment.
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An old fashioned CRT TV or Monitor (one of the ones that are almost as deep as they are wide) One that you are not overly attached to as there is a possibility this may permanently damage the picture. A magnet, the stronger the better the effect. Instructions Turn on the TV or monitor and tune it into a picture.
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CRT TV/monitor + magnet Get an image on the television or computer screen. If it's a computer screen simply plugging it into a laptop should work.
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The short answer to the question is yes, a strong magnet can definitely ruin a CRT TV in a potentially terminal way. The same goes for old computer monitors using the same technology. But should you wish to try it on an old TV, then you can make pretty colours dance across your screen.
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The two permanent magnets shown are handy for depicting the principle of electromagnetic deflection; in real CRTs, however, two pair of electromagnetic coils are used to bend beams of electrons; the angles of deflection are altered by varying the strengths of the coils, rather than physically moving them.. This CRT demonstrates a black and white television image.
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A cathode-ray tube ( CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen. [2]
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Writer Bio. Cathode ray tube (CRT) TVs employ different technology from liquid crystal display (LCD) and plasma TVs. In fact, it is the presence of a CRT -- a funnel-shaped glass tube -- that gives CRT TVs their characteristic depth and weight. Essentially, CRT TVs work by bombarding a phosphor coating on the inside of the screen.
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The earth's magnetic field will magnetize the shadow mask as well and if the TV is moved you get the same bloom. The design of the CRT is such that there is a degaussing coil around the face of the the CRT which applies an alternating, exponentially diminishing magnetic field to remove the bloom.
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Giant Neodymium Magnet vs. CRT TV DiodeGoneWild 212K subscribers Subscribe 3.8K 404K views 6 years ago This is what happens if you put a giant neodymium magnet close to a CRT TV or.
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Yes, magnets can cause permanent damage to a CRT TV screen but are not harmful to LCD or LED TV screens. The intensity of the damage a magnet causes depends on its strength and the duration of exposure. When a magnet misdirects the electrons from the electron gun, they may fall onto the wrong pixels, resulting in visual distortion.
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